C400 User Manual
Page 21
DO NOT
discard the UPS or the UPS batteries in the general waste. This product contains sealed lead-acid
batteries and must be disposed of responsibly. For more information contact your local recycling centre.
DO NOT
discard of waste electrical or electronic equipment (WEEE) in the trash. For proper disposal contact
your local recycling centre.
TROUBLESHOOTING
The C400 series is designed for durable, automatic operation. It also provides alerts whenever potential operating
problems occur.
•
Alarms are displayed on the LCD status screen with the logo blinking. Some alarms may be announced by
a beep every 1 second. Example = "Battery low"
•
Faults are announced by a continuous beep and red LCD backlight
ALARMS & FAULTS
Use the following troubleshooting chart to determine the UPS alarm condition.
WARNING/FAULT
PROBLEM
CAUSE
SOLUTION
/
No indication, no warning tone
even though the system is
connected to the mains power
supply
No input voltage/Breaker open
Check building wiring socket outlet and
input cable, Check the Breaker.
/
No Communication data
RS232 wire is not matched/USB
wire is not matched
Check or change the RS232/USB cable
/
Emergency supply period
shorter than nominal value
Batteries not fully charged or
require replacement
Charge the batteries until fully charged,
contact your CertaUPS representative.
FANF
Fan fail
Fan RPM out of tolerance
Check if the fan is running
HIGH
Battery over voltage
The battery is overcharged
Switching to battery mode automatically,
and after the battery voltage is normal
and the mains is normal, the UPS would
Switch to line mode automatically again.
bLOW
Battery low
Battery voltage is low
When audible alarm sounding every
second, the battery is almost empty.
bOPN*
Battery open
The battery pack is not
connected correctly
Confirm with battery test, Check the
battery bank is connected to the UPS,
Check the battery breaker
CHGF
Charger fail
The charger has failed
Contact your CertaUPS representative.
dCHF
Digital charger failure
The charger has failed
Contact your CertaUPS representative.
bUSH
Bus high
UPS internal fault
Contact your CertaUPS representative.
TO REGISTER A FAULT PLEASE VISIT
WWW.CERTAUPS.COM/SUPPORT/FAULT-REPORTING/
ALARMS SHOWN ON THE CONTROL PANEL DO NOT MEAN THAT THE OUTPUT POWER IS AFFECTED. INSTEAD THEY ARE
PREVENTIVE ALARMS INTENDED TO ALERT THE USER
